Record-2-3

ZOL--1241

 

 

#include <stdio.h>
#include <math.h>
int main ()
{
 int i=0,k;
 double a,b,c;
 while (scanf("%lf%lf%lf",&a,&b,&c)!=EOF||(a!=0&&b!=0&&c!=0))
 {
  
  i++;
  if(a==-1){
   if(b>=c){
    printf("Triangle #%d\n",i);
    printf("Impossible.\n\n");
   }else {
   printf("Triangle #%d\n",i);
   printf("a =%.3lf\n\n",sqrt(c*c-b*b));
   }
  }
  else if(b==-1){
   if(a>=c){
    printf("Triangle #%d\n",i);
    printf("Impossible.\n\n");
   }else {
   printf("Triangle #%d\n",i);
   printf("b =%.3lf\n\n",sqrt(c*c-a*a));
   } 
  }
  else if (c==-1){
    printf("Triangle #%d\n",i);
    printf("c =%.3lf\n\n",sqrt(a*a+b*b));
  }
 // if(a==0&&b==0&&c==0)
 // {
 //  return 0;
 // }
  
 }
 //system("pause");
 
 return 0;
}

 

 

****************************************2*************************

 

#include <stdio.h>
#include <math.h>
int main ()
{
 int i=0,k;
 double a,b,c;
 while (scanf("%lf%lf%lf",&a,&b,&c)!=EOF||(a!=0&&b!=0&&c!=0))
 {
  
  i++;
  if(a==-1){
   if(b>=c){
    printf("Triangle #%d\n",i);
    printf("Impossible.\n\n");
   }else {
   printf("Triangle #%d\n",i);
   printf("a = %.3lf\n\n",sqrt(c*c-b*b));
   }
  }
  else if(b==-1){
   if(a>=c){
    printf("Triangle #%d\n",i);
    printf("Impossible.\n\n");
   }else {
   printf("Triangle #%d\n",i);
   printf("b = %.3lf\n\n",sqrt(c*c-a*a));
   } 
  }
  else if (c==-1){
    printf("Triangle #%d\n",i);
    printf("c = %.3lf\n\n",sqrt(a*a+b*b));
  }
 
  
 }
 
 return 0;
}